L. Maillard, Auguste Rodin, Statuaire, Paris, 1899, pp. 121-122 (marble version illustrated, fig. 16).
G. Grappe, Catalogue du Musée Rodin, Paris, 1927, p. 42, nos. 69-70 (another cast illustrated).
G. Grappe, Le Musée Rodin, Paris, 1947, p. 141 (another version illustrated, pl. 56).
R. Descharnes and J.F. Chabrun, Auguste Rodin, Lausanne, 1967, p. 135 (larger version illustrated in color, p. 134).
I. Jianou and C. Goldscheider, Rodin, Paris, 1967, p. 96 (another cast illustrated, pls. 56-57).
L. Steinberg, Other Criteria, Confrontations with Twentieth-Century Art, Oxford, 1972, p. 428, no. 232 (marble version illustrated, p. 365).
J.L. Tancock, The Sculpture of Auguste Rodin, The Collection of the Rodin Museum, Philadelphia, Philadelphia, 1976, pp. 241, 244-245 and 247, no. 32b (other versions illustrated, pp. 242-243 and 246, figs. 32-3 and 32-4).
A.E. Elsen, Rodin's Art, The Rodin Collection of the Iris & B. Gerald Cantor Center for Visual Arts at Stanford University, New York, 2003, pp. 494-497, no. 148 (another cast illustrated, pp. 494-495, fig. 413; larger version illustrated, p. 496, fig. 414).
A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, Paris, 2007, vol. I, p. 334 (another cast illustrated).
A. Le Normand-Romain, Rodin, New York, 2013, p. 146 (terracotta version illustrated, fig. 138; plaster version illustrated in color, p. 147, fig. 139).